The chemical units are used for the preparation and dosing of flocculant, respectively coagulant. These chemical additives are used to intensify the process of flotation, i.e. causing precipitation of emulsified pollution, formation of flakes, which are easily separated by the flotation.
The complete set of individual devices, i.e, rotary screen, flotator and chemical unit represents the most effective cleaning process of waste water and the highest efficiency of separation of undesirable substances from water.
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